YAAAY I just got done doing this to my car and NO LEAKS!!! Wahoo!
I didn't take off my smog pump however. I just undid the 3 bolts holding on the plastic clip and the ones 2 that attach to the intake manifold and let it wobble around. I just pulled out the old pipe (just giving it the ol' 1-2 pull) behind the whole mess (so it comes out by the battery) and slipped in the new one. I put a little coolant on the o ring and it slipped right in. with the smog pump wobblin around I had enough room to get my hand int here and some small channel locks to reattach the hose going to the oil cooler. If you want to repalce that hose, you will have to take off the smog pump tough, because otherwise you are never going to get to the oil cooler clamp. My hose was in good shape so I said "F" it and let it stay.
Cheers for a great DIY!!!!!!